package thread;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;

public class ThreadDemo33 {
    public static void main(String[] args) throws InterruptedException, ExecutionException {
        Callable<Integer> callable = new Callable<Integer>() {
            @Override
            public Integer call() throws Exception {
                int result = 0;
                for(int i = 1; i <= 1000; i++){
                    result += i;
                }
                return result;
            }
        };

        FutureTask<Integer> task = new FutureTask<>(callable);

        Thread t = new Thread(task);

        t.start();

        System.out.println("result = " + task.get());
    }
}
